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Is3440 Linux Security Lab 1 Essay

1514 words - 7 pages

Week 1 Lab

This lab consists of two parts: Make sure you label each section accordingly and answer all the questions. For this lab it is recommended that you review the Demo Lab presentations in the Unit 1 and Unit 2 Learning Space. Click the PRACTICE link > DEMO LAB > then click the hyperlink to launch the demonstration.

Part # 1

Install a Core Linux Operating System on a Server
Learning Objectives and Outcomes
Upon completing this lab, students should know more about the following tasks:
* Install a base Linux operating system using a Fedora core Linux server for production use on the VM server farm
* Create secured partitions within the core Linux server for ...view middle of the document...

That way if there is an issue you will be able to accurately see when and what time something happened.
2. During the install, a password has been set for the “root” user. What is the “root” user, and when is it appropriate to use this account?
The root password in the Linux environment is the equivalent to the administer account in a windows computer. It should only be used when needed to run a specific command or do a specific job with in the server.
3. During the install, X-Window and a Desktop Manager were installed. However, in a production environment it is recommended NOT to run the X-Window environment. Explain the purpose of this recommendation.
This would be because of performance issues along with security issues. A Linux machine can be set up very securely with or without X-Windows. With a production environment running the X-Windows it is another point of attack for an intruder.
4. During the installation process it asks what the options given to create the partition are? Name them.
/boot, /temp, /var, /swap, /home, /
5. Why is it important to partition a Linux system correctly?
It is important to partition system correctly otherwise you can run into memory errors down the road if one the directory’s run out of space.
6. What is the significance of the SWAP partition in a Linux system? What different ways can the swap space be configured, and why would you recommend one over the other?
When physical memory demand is sufficiently low, process memory images are brought back into physical memory from the swap area on disk.
7. What are some of the benefits and features that are available to Linux users by selecting the ext4 file system for the partitioning of a Linux system?
With the ex4 file system your able to get a larger file system with the same amount of space. It also increases the subdirectory limit from 32000 subdirectory’s to unlimited directory’s.
8. How is the passwd file used, and hat fields make up its content? Explain.
The passwd file can be used to either display information about users that may log in to the system or other operating system user identities that own running processes.

9. What is the fstab file used for and what fields make up its content? Explain.
The fstab file lists all available disks and disk partitions, and indicates how they are to be initialized or otherwise integrated into the overall system's file system. The fields that make up the fstab file contact are Device name, Mount point, filesystem, options, dump-freq and pass-num.

10. Explain the significance of creating separate partitions of the /var and /boot directories? What is contained within these directories?
It is important to separate these partitions due to performance and reliability concerns. With the /var file being used for the printing and email spooling. If you have a runaway process with one of these and if the /boot is not separated it could choke...

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